How to Use antiparticle in a Sentence

antiparticle

noun
Definition of antiparticlenext
  • Its antiparticle twin, though, could get sucked into the black hole.
    — Kate Golembiewski, Discover Magazine, 23 Feb. 2022
  • The antiparticle version of an electron, for instance, is a positron.
    — Caroline Delbert, Popular Mechanics, 21 Sep. 2021
  • Peper only tantalizes us with the vaguest contours of what the feed and its antiparticle, Analog, are like.
    — Cyrus Farivar, Ars Technica, 6 May 2018
  • In the first step of this fusion process, two protons inside the sun fuse into a deuteron while giving off a neutrino and a positron—the antiparticle of the electron.
    — Scientific American, 1 Feb. 2022
  • Scientists observed the antiparticle for the first time in 1970 by producing it in a collider.
    — Sophia Chen, WIRED, 14 Dec. 2022
  • With these fields, the researchers were able to enable the spontaneous creation of particle-antiparticle pairs from nothing at all.
    — Joshua Hawkins, BGR, 18 Sep. 2022
  • The intensity is large enough that electrons and their antiparticle, positrons, are produced from the vacuum.
    — Chris Lee, Ars Technica, 9 Nov. 2017
  • The resultant movement is that of a particle-antiparticle pair moving sideways in a straight line.
    — Thomas Lewton, Wired, 1 Aug. 2021
  • This means there have to be some differences between particles and antiparticles, and some new physics to explain those differences.
    — Avery Thompson, Popular Mechanics, 15 June 2017
  • If there were an equal number of particles and antiparticles, nothing would exist.
    — Jackie Appel, Popular Mechanics, 7 June 2023
  • But a particle and an antiparticle that materialize on either side of a black hole’s event horizon get dragged apart.
    — Quanta Magazine, 27 Aug. 2019
  • In this case, a square might arise so that one antiparticle lies on top of the original particle, annihilating that corner.
    — Thomas Lewton, Wired, 1 Aug. 2021
  • This self-annihilation is like that of a particle and antiparticle pair, except that here both members of the pair are identical.
    — Quanta Magazine, 29 Sep. 2021
  • The particle-antiparticle pairs that form near a black hole are now known as Hawking pairs, and the radiation is called Hawking radiation.
    — James Gleick, The New York Review of Books, 13 Apr. 2021
  • An electron and its antiparticle, a positron, have identical properties except for charge, but the charge of the Majorana particle would be zero.
    — Neil Savage, Scientific American, 8 May 2018
  • Specifically, Vorobyev’s team zeroed in on a version of the antiparticle known as antihelium-3, composed of two antiprotons and one antineutron.
    — Sophia Chen, WIRED, 14 Dec. 2022
  • The Italian scientists theorized the particles, which act as their own antiparticles, in 1937.
    — David Grossman, Popular Mechanics, 16 Aug. 2019
  • In these early stages, every set of particle-antiparticle pairs has both a creation rate and an annihilation rate.
    — Ethan Siegel, Forbes, 2 Sep. 2021
  • This is created when pairs of particles and their antiparticles quickly pop into and out of existence, which happens pretty much everywhere all the time.
    — Briley Lewis, Popular Science, 20 Mar. 2023
  • The researchers were studying antineutrinos, a type of antiparticle.
    — Avery Thompson, Popular Mechanics, 8 Aug. 2016
  • This leaves behind the second square’s opposite side, also consisting of a particle and an antiparticle.
    — Thomas Lewton, Wired, 1 Aug. 2021
  • This can occur not only for a particle and its antiparticle, but for two different particles that contain the same heavy quark (like a b or anti-b quark) and the same physics underlying their decay pathways.
    — Ethan Siegel, Forbes, 12 Mar. 2021
  • Hawking wanted to know what would happen to pairs of particles—a particle and its antiparticle partner—that spontaneously appeared at a black hole’s event horizon.
    — Adam Mann, Scientific American, 22 June 2023
  • By getting rid of the event horizon, a stray particle or antiparticle falling into a black hole doesn’t result in information destruction; rather, that new information simply gets added to the fuzzball.
    — Kate Golembiewski, Discover Magazine, 23 Feb. 2022
  • Positronium is a volatile, short-lived atom that seems kind of like hydrogen but has a positron—an antiparticle considered opposite to an electron, sometimes even called an antielectron—instead of a proton.
    — Caroline Delbert, Popular Mechanics, 9 Dec. 2019
  • Doing so allowed them to observe that in antihydrogen—which is composed of an antiproton and a positron, the electron’s antiparticle—jumps in energy levels known as the Lamb shift were identical to those seen in hydrogen.
    — Jonathan O'Callaghan, Scientific American, 19 Feb. 2020
  • Thanks to quantum uncertainty, the vacuum roils with particle-antiparticle pairs flitting in and out of existence too fast to detect directly.
    — Adrian Cho, Science | AAAS, 20 Mar. 2018
  • According to the dictates of Einsteinian relativity and the baffling laws of quantum theory, equal numbers of particles and their opposites, antiparticles, should have been created in the Big Bang that set the cosmos in motion.
    — Dennis Overbye, New York Times, 15 Apr. 2020
  • Some physicists have speculated that antiparticles are being repelled by gravity or even traveling backward in time.
    — Dennis Overbye, New York Times, 27 Sep. 2023
  • If dark matter particles are also their own antiparticles, as many dark matter theories posit, then within these collapsing clouds, those particles would have collided with each other and self-annihilated.
    — Stephanie Pappas, Scientific American, 20 July 2023

Some of these examples are programmatically compiled from various online sources to illustrate current usage of the word 'antiparticle.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Last Updated: